Base foot



FIG. 1 is a front, left corner view of my new design for a base foot;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a top, front, left corner, perspective view thereof;

FIG. 6 is a bottom, front, perspective view thereof; and,

FIG. 7 is a top, front perspective view thereof.

The broken lines showing environment in the drawings are included for illustrative purposes only and form no part of the claimed design. 

CLAIM The ornamental design for a base foot, as shown and described. 